equal vs unequal

equal is a noun but unequal is not a noun.

Word	Noun	Adjective	Verb	Adverb
equal	Yes	Yes	Yes	No
unequal	No	Yes	No	No

equal (noun)	unequal (noun)
a person who is of equal standing with another in a group

equal (adjective)	unequal (adjective)
having the same quantity, value, or measure as another	poorly balanced or matched in quantity or value or measure
having the requisite qualities or resources to meet a task	lacking the requisite qualities or resources to meet a task

equal (verb)	unequal (verb)
make equal, uniform, corresponding, or matching
be identical or equivalent to
be equal to in quality or ability